<?php
	include_once "visitor_db.php";
	
	class visitor_bs
	{
		private $NumVisitor = 0;
		public function SetNumVisitor($NumVisitor) { $this->NumVisitor = $NumVisitor;     }
		public function GetNumVisitor()            { return $this->NumVisitor;            }
		
		public function CapNhat()
		{
			$db = new visitor_db();
			return $db->CapNhat();
		}
		
		public function LayDanhSach()
		{
			$db = new visitor_db();
			return $db->LayDanhSach();
		}
	}
?>